phoenix_of_orion

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-13 03:52:00

Command Arguments

Time of First Successful Submission: 2026-01-13 03:52:57

Command History

Time of First Successful Submission: 2026-01-13 03:53:36

The Root Path

Time of First Successful Submission: 2026-01-13 04:07:50

Absolute Paths

Time of First Successful Submission: 2026-01-13 04:08:19

Changing position

Time of First Successful Submission: 2026-01-13 04:19:31

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-13 04:21:01

Relative Paths

Time of First Successful Submission: 2026-01-13 04:22:21

Cat

Time of First Successful Submission: 2026-01-13 04:30:39

Ls

Time of First Successful Submission: 2026-01-13 04:34:39

Ls All

Time of First Successful Submission: 2026-01-13 04:39:02

Find

Time of First Successful Submission: 2026-01-13 04:49:58

Piping Echo

Time of First Successful Submission: 2026-01-13 19:22:49

Piping Stdout

Time of First Successful Submission: 2026-01-13 19:24:45

Piping Stdin

Time of First Successful Submission: 2026-01-13 19:28:17


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-02-06 04:47:57

Path Traversal 2

Time of First Successful Submission: 2026-02-06 05:18:38

CMDi 1

Time of First Successful Submission: 2026-02-06 05:30:38

CMDi 2

Time of First Successful Submission: 2026-02-06 05:33:26

CMDi 3

Time of First Successful Submission: 2026-02-06 05:36:16

CMDi 4

Time of First Successful Submission: 2026-02-06 05:39:48

CMDi 5

Time of First Successful Submission: 2026-02-06 05:47:33

Authentication Bypass 1

Time of First Successful Submission: 2026-02-06 06:25:06

Authentication Bypass 2

Time of First Successful Submission: 2026-02-06 06:27:56

SQLi 1

Time of First Successful Submission: 2026-02-08 21:35:17

SQLi 2

Time of First Successful Submission: 2026-02-08 21:38:17

SQLi 3

Time of First Successful Submission: 2026-02-08 21:45:57

SQLi 4

Time of First Successful Submission: 2026-02-08 22:18:05

SQLi 5

Time of First Successful Submission: 2026-02-12 05:15:38

XSS 1

Time of First Successful Submission: 2026-02-13 01:31:20

XSS 2

Time of First Successful Submission: 2026-02-13 01:34:33

XSS 3

Time of First Successful Submission: 2026-02-13 01:45:40

XSS 4

Time of First Successful Submission: 2026-02-13 01:49:36

XSS 5

Time of First Successful Submission: 2026-02-13 02:08:24

XSS 6

Time of First Successful Submission: 2026-02-13 02:13:35

XSS 7

Time of First Successful Submission: 2026-02-13 03:22:21

CSRF 1

Time of First Successful Submission: 2026-02-13 20:13:32

CSRF 2

Time of First Successful Submission: 2026-02-13 20:37:25

CSRF 3

Time of First Successful Submission: 2026-02-13 20:58:00

CSRF 4

Time of First Successful Submission: 2026-02-13 22:42:28

CSRF 5

Time of First Successful Submission: 2026-02-14 02:07:41

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-06 04:37:04

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-06 04:39:43

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-06 05:15:39

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-06 05:20:31

Reading Endianness (C)

Time of First Successful Submission: 2026-03-06 05:39:59

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-06 05:45:01

Version Information (Python)

Time of First Successful Submission: 2026-03-06 06:16:49

Version Information (C)

Time of First Successful Submission: 2026-03-06 06:21:23

Version Information (x86)

Time of First Successful Submission: 2026-03-06 06:30:10

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-06 07:27:58

Metadata and Data (C)

Time of First Successful Submission: 2026-03-06 07:39:17

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-06 07:45:12

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-06 17:34:40

Input Restrictions (C)

Time of First Successful Submission: 2026-03-06 17:39:51

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-06 17:43:02

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-06 17:46:33

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-06 17:55:57

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-06 18:33:01

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-08 16:30:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-08 16:34:44

A Basic cIMG (x86)

Time of First Successful Submission: 2026-03-08 16:38:43

Internal State Mini (C)

Time of First Successful Submission: 2026-03-18 01:48:02

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-18 02:05:34

Internal State (C)

Time of First Successful Submission: 2026-03-18 06:23:55

Internal State (x86)

Time of First Successful Submission: 2026-03-18 07:29:52

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-18 18:06:04

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-18 18:12:35

The Patch Directive

Time of First Successful Submission: 2026-03-21 07:45:10

Optimizing for Space

Time of First Successful Submission: 2026-03-21 19:46:10

Tweaking Images

Time of First Successful Submission: 2026-03-21 21:16:12

Storage and Retrieval

Time of First Successful Submission: 2026-03-22 06:38:11

Extracting Knowledge

Time of First Successful Submission: 2026-03-23 19:20:37

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-28 22:50:40

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-28 22:52:04

Precision (easy)

Time of First Successful Submission: 2026-03-28 22:53:32

Precision (hard)

Time of First Successful Submission: 2026-03-28 23:03:26

Variable Control (easy)

Time of First Successful Submission: 2026-03-28 23:53:57

Variable Control (hard)

Time of First Successful Submission: 2026-03-29 00:52:12

Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 17:43:53

Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 18:41:39

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 18:55:14

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 19:01:22


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-13 03:35:31

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 03:37:29

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 03:38:42

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 03:42:04

Restarting Challenges

Time of First Successful Submission: 2026-01-13 03:45:41


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-13 03:52:00

Intro to Arguments

Time of First Successful Submission: 2026-01-13 03:52:57

Command History

Time of First Successful Submission: 2026-01-13 03:53:36

The Root

Time of First Successful Submission: 2026-01-13 04:07:50

Program and absolute paths

Time of First Successful Submission: 2026-01-13 04:08:19

Position thy self

Time of First Successful Submission: 2026-01-13 04:19:31

Position elsewhere

Time of First Successful Submission: 2026-01-13 04:21:01

implicit relative paths, from /

Time of First Successful Submission: 2026-01-13 04:22:21

explicit relative paths, from /

Time of First Successful Submission: 2026-01-13 04:23:42

implicit relative path

Time of First Successful Submission: 2026-01-13 04:24:38

home sweet home

Time of First Successful Submission: 2026-01-13 04:29:23

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-13 04:30:39

catting absolute paths

Time of First Successful Submission: 2026-01-13 04:31:31

more catting practice

Time of First Successful Submission: 2026-01-13 04:32:07

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-13 04:32:51

comparing files

Time of First Successful Submission: 2026-01-13 04:34:06

listing files

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touching files

Time of First Successful Submission: 2026-01-13 04:35:49

removing files

Time of First Successful Submission: 2026-01-13 04:36:54

moving files

Time of First Successful Submission: 2026-01-13 04:37:38

copying files

Time of First Successful Submission: 2026-01-13 04:38:19

hidden files

Time of First Successful Submission: 2026-01-13 04:39:02

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-13 04:44:18

making directories

Time of First Successful Submission: 2026-01-13 04:45:30

finding files

Time of First Successful Submission: 2026-01-13 04:49:58

linking files

Time of First Successful Submission: 2026-01-13 05:16:51

Learning From Documentation

Time of First Successful Submission: 2026-01-13 05:17:52

Learning Complex Usage

Time of First Successful Submission: 2026-01-13 05:19:15

Reading Manuals

Time of First Successful Submission: 2026-01-13 05:20:58

Searching Manuals

Time of First Successful Submission: 2026-01-13 05:22:42

Searching For Manuals

Time of First Successful Submission: 2026-01-13 05:29:36

Helpful Programs

Time of First Successful Submission: 2026-01-13 05:30:37

Help for Builtins

Time of First Successful Submission: 2026-01-13 05:31:30

Matching with *

Time of First Successful Submission: 2026-01-13 18:47:17

Matching with ?

Time of First Successful Submission: 2026-01-13 18:49:47

Matching with []

Time of First Successful Submission: 2026-01-13 18:51:56

Matching paths with []

Time of First Successful Submission: 2026-01-13 18:53:09

Multiple globs

Time of First Successful Submission: 2026-01-13 18:54:19

Mixing globs

Time of First Successful Submission: 2026-01-13 19:20:24

Exclusionary globbing

Time of First Successful Submission: 2026-01-13 19:10:48

Tab completion

Time of First Successful Submission: 2026-01-13 19:11:33

Multiple options for tab completion

Time of First Successful Submission: 2026-01-13 19:16:49

Tab completion on commands

Time of First Successful Submission: 2026-01-13 19:17:19

Redirecting output

Time of First Successful Submission: 2026-01-13 19:22:49

Redirecting more output

Time of First Successful Submission: 2026-01-13 19:24:45

Appending output

Time of First Successful Submission: 2026-01-13 19:25:40

Redirecting errors

Time of First Successful Submission: 2026-01-13 19:26:55

Redirecting input

Time of First Successful Submission: 2026-01-13 19:28:17

Grepping stored results

Time of First Successful Submission: 2026-01-13 19:29:24

Grepping live output

Time of First Successful Submission: 2026-01-13 19:30:10

Grepping errors

Time of First Successful Submission: 2026-01-13 19:31:26

Filtering with grep -v

Time of First Successful Submission: 2026-01-13 19:32:51

Filtering with sed

Time of First Successful Submission: 2026-01-13 19:35:09

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-13 19:38:47

Process substitution for input

Time of First Successful Submission: 2026-01-13 19:41:11

Writing to multiple programs

Time of First Successful Submission: 2026-01-13 19:48:53

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-13 19:55:12

Named pipes

Time of First Successful Submission: 2026-01-13 20:19:13

Printing Variables

Time of First Successful Submission: 2026-01-13 20:44:29

Setting Variables

Time of First Successful Submission: 2026-01-13 20:46:06

Multi-word Variables

Time of First Successful Submission: 2026-01-13 20:47:12

Exporting Variables

Time of First Successful Submission: 2026-01-13 21:01:50

Printing Exported Variables

Time of First Successful Submission: 2026-01-13 21:03:59

Storing Command Output

Time of First Successful Submission: 2026-01-13 21:05:39

Reading Input

Time of First Successful Submission: 2026-01-13 21:07:23

Reading Files

Time of First Successful Submission: 2026-01-13 21:08:47

Translating characters

Time of First Successful Submission: 2026-01-13 21:13:22

Deleting characters

Time of First Successful Submission: 2026-01-13 21:17:24

Deleting newlines

Time of First Successful Submission: 2026-01-13 21:18:12

Extracting the first lines with head

Time of First Successful Submission: 2026-01-14 01:35:58

Extracting specific sections of text

Time of First Successful Submission: 2026-01-14 03:05:11

Sorting data

Time of First Successful Submission: 2026-01-14 03:07:27

Listing Processes

Time of First Successful Submission: 2026-01-14 03:15:49

Killing Processes

Time of First Successful Submission: 2026-01-14 03:17:21

Interrupting Processes

Time of First Successful Submission: 2026-01-14 03:18:35

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-14 03:26:35

Suspending Processes

Time of First Successful Submission: 2026-01-14 03:27:41

Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-14 03:34:40

Process Exit Codes

Time of First Successful Submission: 2026-01-14 03:36:19

Becoming root with su

Time of First Successful Submission: 2026-01-14 03:43:22

Other users with su

Time of First Successful Submission: 2026-01-14 03:46:14

Cracking passwords

Time of First Successful Submission: 2026-01-14 03:53:22

Using sudo

Time of First Successful Submission: 2026-01-14 03:55:09

Changing File Ownership

Time of First Successful Submission: 2026-01-14 19:24:10

Groups and Files

Time of First Successful Submission: 2026-01-14 19:28:02

Fun With Groups Names

Time of First Successful Submission: 2026-01-14 19:28:56

Changing Permissions

Time of First Successful Submission: 2026-01-14 19:33:09

Executable Files

Time of First Successful Submission: 2026-01-14 19:34:14

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-14 19:42:50

Permissions Setting Practice

Time of First Successful Submission: 2026-01-14 19:45:40

The SUID Bit

Time of First Successful Submission: 2026-01-14 19:47:17

Chaining with Semicolons

Time of First Successful Submission: 2026-01-14 19:48:39

Building on Success

Time of First Successful Submission: 2026-01-14 19:51:35

Handling Failure

Time of First Successful Submission: 2026-01-14 19:56:18

Your First Shell Script

Time of First Successful Submission: 2026-01-14 19:58:42

Redirecting Script Output

Time of First Successful Submission: 2026-01-14 20:01:04

Executable Shell Scripts

Time of First Successful Submission: 2026-01-14 20:03:41

Understanding Shebangs

Time of First Successful Submission: 2026-01-14 20:07:09

Scripting with Arguments

Time of First Successful Submission: 2026-01-14 20:11:32

Scripting with Conditionals

Time of First Successful Submission: 2026-01-14 20:14:56

Scripting with Default Cases

Time of First Successful Submission: 2026-01-14 20:17:26

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-14 20:20:55

Reading Shell Scripts

Time of First Successful Submission: 2026-01-14 20:22:00

Launching Screen

Time of First Successful Submission: 2026-01-14 20:42:35

Detaching and Attaching

Time of First Successful Submission: 2026-01-14 20:47:42

Finding Sessions

Time of First Successful Submission: 2026-01-14 20:51:21

Switching Windows

Time of First Successful Submission: 2026-01-14 20:52:49

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-14 20:56:06

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-14 20:56:57

The PATH Variable

Time of First Successful Submission: 2026-01-14 20:59:59

Setting PATH

Time of First Successful Submission: 2026-01-14 21:03:15

Finding Commands

Time of First Successful Submission: 2026-01-14 21:06:55

Adding Commands

Time of First Successful Submission: 2026-01-15 00:19:18

Hijacking Commands

Time of First Successful Submission: 2026-01-15 00:26:54

Bashrc Backdoor

Time of First Successful Submission: 2026-01-15 00:33:00

Sniffing Input

Time of First Successful Submission: 2026-01-15 00:41:47

Overshared Directories

Time of First Successful Submission: 2026-01-15 01:54:39

Tricky Linking

Time of First Successful Submission: 2026-01-15 17:39:04

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-15 17:42:43

Snooping on Configurations

Time of First Successful Submission: 2026-01-15 17:45:24

The Fork Bomb

Time of First Successful Submission: 2026-01-15 18:16:50

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-15 18:21:13

rm -rf /

Time of First Successful Submission: 2026-01-15 18:26:54

Life after rm -rf /

Time of First Successful Submission: 2026-01-15 18:37:41

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-15 18:42:13


Computing 101

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Your First Register

Time of First Successful Submission: 2026-02-21 05:00:03

Your First Syscall

Time of First Successful Submission: 2026-02-21 05:04:07

Exit Codes

Time of First Successful Submission: 2026-02-21 05:06:06

Building Executables

Time of First Successful Submission: 2026-02-21 05:14:33

Moving Between Registers

Time of First Successful Submission: 2026-02-21 05:16:47

Loading From Memory

Time of First Successful Submission: 2026-02-21 05:55:31

More Loading Practice

Time of First Successful Submission: 2026-02-21 06:38:53

Dereferencing Pointers

Time of First Successful Submission: 2026-02-21 07:05:18

Dereferencing Yourself

Time of First Successful Submission: 2026-02-21 07:06:17

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-21 07:07:40

Stored Addresses

Time of First Successful Submission: 2026-02-21 07:10:42

Double Dereference

Time of First Successful Submission: 2026-02-21 07:13:09

The Stack

Time of First Successful Submission: 2026-02-21 07:14:51

Stack Offsets

Time of First Successful Submission: 2026-02-21 07:16:58

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-21 07:18:47

Popping From the Stack

Time of First Successful Submission: 2026-02-21 07:20:32

Disassembling Programs

Time of First Successful Submission: 2026-02-22 18:32:01

Tracing Syscalls

Time of First Successful Submission: 2026-02-22 18:34:24

Starting GDB

Time of First Successful Submission: 2026-02-22 18:37:36

Quitting GDB

Time of First Successful Submission: 2026-02-22 18:38:01

Starting Programs in GDB

Time of First Successful Submission: 2026-02-22 18:39:56

Disassembling in GDB

Time of First Successful Submission: 2026-02-22 18:41:34

Stepping Through Instructions

Time of First Successful Submission: 2026-02-22 18:42:44

Reading Register Values

Time of First Successful Submission: 2026-02-22 18:43:54

Popping Stack Values

Time of First Successful Submission: 2026-02-22 18:45:14

Examining Memory

Time of First Successful Submission: 2026-02-22 18:46:32

Examining Stack Pointers

Time of First Successful Submission: 2026-02-22 18:48:38

Cooperative Debugging

Time of First Successful Submission: 2026-02-22 18:55:00

Writing Output

Time of First Successful Submission: 2026-02-22 20:03:30

Chaining Syscalls

Time of First Successful Submission: 2026-02-22 20:04:52

Writing Strings

Time of First Successful Submission: 2026-02-22 20:05:47

Reading Data

Time of First Successful Submission: 2026-02-22 20:18:14

Opening Files

Time of First Successful Submission: 2026-02-22 20:23:13

Hardcoding the Filename

Time of First Successful Submission: 2026-02-22 20:26:31

Comparing Values

Time of First Successful Submission: 2026-02-22 20:48:59

Comparing Characters

Time of First Successful Submission: 2026-02-22 20:50:53

Conditional Control Flow

Time of First Successful Submission: 2026-02-22 20:56:29

Comparing Strings

Time of First Successful Submission: 2026-02-22 20:58:27

Reverse the Password

Time of First Successful Submission: 2026-02-22 21:13:19

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-22 21:36:47

Looping

Time of First Successful Submission: 2026-02-22 21:46:38

Reverse the Calculation

Time of First Successful Submission: 2026-02-22 22:08:20

Reverse the Reverse

Time of First Successful Submission: 2026-02-22 22:09:02

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-22 22:10:10

Loops on Data

Time of First Successful Submission: 2026-02-22 22:11:41

set-register

Time of First Successful Submission: 2026-02-22 22:23:04

set-multiple-registers

Time of First Successful Submission: 2026-02-22 22:24:31

add-to-register

Time of First Successful Submission: 2026-02-22 22:25:32

linear-equation-registers

Time of First Successful Submission: 2026-02-22 22:27:59

integer-division

Time of First Successful Submission: 2026-02-22 22:32:16

modulo-operation

Time of First Successful Submission: 2026-02-22 22:35:51

set-upper-byte

Time of First Successful Submission: 2026-02-22 22:36:58

efficient-modulo

Time of First Successful Submission: 2026-02-22 22:46:15

byte-extraction

Time of First Successful Submission: 2026-02-22 23:13:31

bitwise-and

Time of First Successful Submission: 2026-02-22 23:17:33

check-even

Time of First Successful Submission: 2026-02-22 23:26:07

memory-read

Time of First Successful Submission: 2026-02-22 23:29:16

memory-write

Time of First Successful Submission: 2026-02-22 23:30:25

memory-increment

Time of First Successful Submission: 2026-02-22 23:33:03

byte-access

Time of First Successful Submission: 2026-02-22 23:34:25

memory-size-access

Time of First Successful Submission: 2026-02-22 23:35:30

little-endian-write

Time of First Successful Submission: 2026-02-22 23:38:18

memory-sum

Time of First Successful Submission: 2026-02-22 23:39:43

stack-subtraction

Time of First Successful Submission: 2026-02-22 23:41:10

swap-stack-values

Time of First Successful Submission: 2026-02-22 23:54:17

average-stack-values

Time of First Successful Submission: 2026-02-22 23:57:47

absolute-jump

Time of First Successful Submission: 2026-02-22 23:59:37

relative-jump

Time of First Successful Submission: 2026-02-23 00:05:00

jump-trampoline

Time of First Successful Submission: 2026-02-23 00:07:57

conditional-jump

Time of First Successful Submission: 2026-02-23 00:26:04

indirect-jump

Time of First Successful Submission: 2026-03-01 21:00:43

average-loop

Time of First Successful Submission: 2026-03-01 21:10:58

count-non-zero

Time of First Successful Submission: 2026-03-01 21:32:32

string-lower

Time of First Successful Submission: 2026-03-01 22:12:05

most-common-byte

Time of First Successful Submission: 2026-03-02 00:54:37

Exit

Time of First Successful Submission: 2026-03-02 03:37:19

Socket

Time of First Successful Submission: 2026-03-02 03:44:23

Bind

Time of First Successful Submission: 2026-03-02 04:25:24

Listen

Time of First Successful Submission: 2026-03-02 04:29:11

Accept

Time of First Successful Submission: 2026-03-02 04:31:55

Static Response

Time of First Successful Submission: 2026-03-02 04:46:57

Dynamic Response

Time of First Successful Submission: 2026-03-02 05:22:55

Iterative GET Server

Time of First Successful Submission: 2026-03-02 05:24:39

Concurrent GET Server

Time of First Successful Submission: 2026-03-02 05:39:16

Concurrent POST Server

Time of First Successful Submission: 2026-03-02 06:22:20

Web Server

Time of First Successful Submission: 2026-03-02 06:22:55

Debugging Programs

Time of First Successful Submission: 2026-03-02 00:55:55

Inspecting Registers

Time of First Successful Submission: 2026-03-02 00:59:41

Examining Memory

Time of First Successful Submission: 2026-03-02 01:06:35

Setting Breakpoints

Time of First Successful Submission: 2026-03-02 03:03:10

GDB Scripting

Time of First Successful Submission: 2026-03-02 03:14:49

Modifying Data

Time of First Successful Submission: 2026-03-03 03:51:04

Modifying Execution

Time of First Successful Submission: 2026-03-03 04:00:43

Broken Functions

Time of First Successful Submission: 2026-03-03 05:06:13


Playing With Programs

65 / 116 4187 / 23376


What's the password?

Time of First Successful Submission: 2026-01-21 18:12:58

... and again!

Time of First Successful Submission: 2026-01-21 18:13:30

Newline Troubles

Time of First Successful Submission: 2026-01-21 18:15:38

Reasoning about files

Time of First Successful Submission: 2026-01-21 18:20:56

Specifying Filenames

Time of First Successful Submission: 2026-01-21 18:22:42

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-21 18:25:29

More Hex

Time of First Successful Submission: 2026-01-21 18:26:51

Decoding Hex

Time of First Successful Submission: 2026-01-21 18:28:50

Decoding Practice

Time of First Successful Submission: 2026-01-21 19:14:12

Encoding Practice

Time of First Successful Submission: 2026-01-21 19:29:41

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-21 20:51:30

Nested Encoding

Time of First Successful Submission: 2026-01-21 21:00:20

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-21 21:05:51

UTF Mixups

Time of First Successful Submission: 2026-01-22 01:54:12

Modifying Encoded Data

Time of First Successful Submission: 2026-01-22 02:25:29

Decoding Base64

Time of First Successful Submission: 2026-01-22 02:53:01

Encoding Base64

Time of First Successful Submission: 2026-01-22 02:54:54

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-22 02:59:13

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-22 03:10:25

Your First HTTP Request

Time of First Successful Submission: 2026-01-23 18:03:06

Reading Flask

Time of First Successful Submission: 2026-01-23 18:06:03

Commented Data

Time of First Successful Submission: 2026-01-23 18:11:17

HTTP Metadata

Time of First Successful Submission: 2026-01-23 18:13:09

HTTP (netcat)

Time of First Successful Submission: 2026-01-23 18:15:57

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-23 18:17:53

HTTP (curl)

Time of First Successful Submission: 2026-01-23 18:19:26

HTTP (python)

Time of First Successful Submission: 2026-01-23 18:21:32

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-23 19:02:41

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-23 19:05:58

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-23 19:09:39

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-23 19:13:34

HTTP GET Parameters

Time of First Successful Submission: 2026-01-23 19:20:35

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-23 19:22:44

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-23 19:25:13

HTTP Forms

Time of First Successful Submission: 2026-01-23 20:31:53

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-23 20:35:15

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-23 20:44:55

HTTP Forms (python)

Time of First Successful Submission: 2026-01-23 20:49:00

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-23 20:56:14

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-23 20:59:53

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-23 21:07:25

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-23 21:10:22

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-23 21:11:37

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-23 21:13:26

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-23 21:23:55

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-23 21:26:49

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-23 21:29:26

Server State (python)

Time of First Successful Submission: 2026-01-23 21:33:36

Listening Web

Time of First Successful Submission: 2026-01-23 21:37:20

Speaking Redirects

Time of First Successful Submission: 2026-01-23 21:52:17

JavaScript Redirects

Time of First Successful Submission: 2026-01-23 22:15:37

Including JavaScript

Time of First Successful Submission: 2026-01-24 05:55:25

HTTP (javascript)

Time of First Successful Submission: 2026-01-24 06:36:36

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-24 06:52:04

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-24 07:05:54

SQL Queries

Time of First Successful Submission: 2026-01-26 18:16:19

Filtering SQL

Time of First Successful Submission: 2026-01-26 18:23:08

Choosing Columns

Time of First Successful Submission: 2026-01-26 18:25:07

Exclusionary Filtering

Time of First Successful Submission: 2026-01-26 18:27:32

Filtering Strings

Time of First Successful Submission: 2026-01-26 18:28:30

Filtering on Expressions

Time of First Successful Submission: 2026-01-26 18:30:35

SELECTing Expressions

Time of First Successful Submission: 2026-01-26 18:57:15

Composite Conditions

Time of First Successful Submission: 2026-01-26 18:58:39

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-26 19:00:46

Querying Metadata

Time of First Successful Submission: 2026-01-26 19:03:49


GCA CTF

5 / 104 32234 / 43594


Using the Terminal

Time of First Successful Submission: 2026-01-13 03:35:31

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 03:37:29

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 03:38:42

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 03:42:04

Restarting Challenges

Time of First Successful Submission: 2026-01-13 03:45:41